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Diffstat (limited to 'tests/ui/impl-trait/example-calendar.rs')
| -rw-r--r-- | tests/ui/impl-trait/example-calendar.rs | 840 |
1 files changed, 840 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/example-calendar.rs b/tests/ui/impl-trait/example-calendar.rs new file mode 100644 index 00000000000..da45f0d133d --- /dev/null +++ b/tests/ui/impl-trait/example-calendar.rs @@ -0,0 +1,840 @@ +// run-pass + +#![feature(fn_traits, + step_trait, + unboxed_closures, +)] + +//! Derived from: <https://raw.githubusercontent.com/quickfur/dcal/master/dcal.d>. +//! +//! Originally converted to Rust by [Daniel Keep](https://github.com/DanielKeep). + +use std::fmt::Write; + +/// Date representation. +#[derive(Copy, Clone, Debug, Eq, Ord, PartialEq, PartialOrd)] +struct NaiveDate(i32, u32, u32); + +impl NaiveDate { + pub fn from_ymd(y: i32, m: u32, d: u32) -> NaiveDate { + assert!(1 <= m && m <= 12, "m = {:?}", m); + assert!(1 <= d && d <= NaiveDate(y, m, 1).days_in_month(), "d = {:?}", d); + NaiveDate(y, m, d) + } + + pub fn year(&self) -> i32 { + self.0 + } + + pub fn month(&self) -> u32 { + self.1 + } + + pub fn day(&self) -> u32 { + self.2 + } + + pub fn succ(&self) -> NaiveDate { + let (mut y, mut m, mut d, n) = ( + self.year(), self.month(), self.day()+1, self.days_in_month()); + if d > n { + d = 1; + m += 1; + } + if m > 12 { + m = 1; + y += 1; + } + NaiveDate::from_ymd(y, m, d) + } + + pub fn weekday(&self) -> Weekday { + use Weekday::*; + + // 0 = Sunday + let year = self.year(); + let dow_jan_1 = (year*365 + ((year-1) / 4) - ((year-1) / 100) + ((year-1) / 400)) % 7; + let dow = (dow_jan_1 + (self.day_of_year() as i32 - 1)) % 7; + [Sun, Mon, Tue, Wed, Thu, Fri, Sat][dow as usize] + } + + pub fn isoweekdate(&self) -> (i32, u32, Weekday) { + let first_dow_mon_0 = self.year_first_day_of_week().num_days_from_monday(); + + // Work out this date's DOtY and week number, not including year adjustment. + let doy_0 = self.day_of_year() - 1; + let mut week_mon_0: i32 = ((first_dow_mon_0 + doy_0) / 7) as i32; + + if self.first_week_in_prev_year() { + week_mon_0 -= 1; + } + + let weeks_in_year = self.last_week_number(); + + // Work out the final result. + // If the week is `-1` or `>= weeks_in_year`, we will need to adjust the year. + let year = self.year(); + let wd = self.weekday(); + + if week_mon_0 < 0 { + (year - 1, NaiveDate::from_ymd(year - 1, 1, 1).last_week_number(), wd) + } else if week_mon_0 >= weeks_in_year as i32 { + (year + 1, (week_mon_0 + 1 - weeks_in_year as i32) as u32, wd) + } else { + (year, (week_mon_0 + 1) as u32, wd) + } + } + + fn first_week_in_prev_year(&self) -> bool { + let first_dow_mon_0 = self.year_first_day_of_week().num_days_from_monday(); + + // Any day in the year *before* the first Monday of that year + // is considered to be in the last week of the previous year, + // assuming the first week has *less* than four days in it. + // Adjust the week appropriately. + ((7 - first_dow_mon_0) % 7) < 4 + } + + fn year_first_day_of_week(&self) -> Weekday { + NaiveDate::from_ymd(self.year(), 1, 1).weekday() + } + + fn weeks_in_year(&self) -> u32 { + let days_in_last_week = self.year_first_day_of_week().num_days_from_monday() + 1; + if days_in_last_week >= 4 { 53 } else { 52 } + } + + fn last_week_number(&self) -> u32 { + let wiy = self.weeks_in_year(); + if self.first_week_in_prev_year() { wiy - 1 } else { wiy } + } + + fn day_of_year(&self) -> u32 { + (1..self.1).map(|m| NaiveDate::from_ymd(self.year(), m, 1).days_in_month()) + .fold(0, |a,b| a+b) + self.day() + } + + fn is_leap_year(&self) -> bool { + let year = self.year(); + if year % 4 != 0 { + return false + } else if year % 100 != 0 { + return true + } else if year % 400 != 0 { + return false + } else { + return true + } + } + + fn days_in_month(&self) -> u32 { + match self.month() { + /* Jan */ 1 => 31, + /* Feb */ 2 => if self.is_leap_year() { 29 } else { 28 }, + /* Mar */ 3 => 31, + /* Apr */ 4 => 30, + /* May */ 5 => 31, + /* Jun */ 6 => 30, + /* Jul */ 7 => 31, + /* Aug */ 8 => 31, + /* Sep */ 9 => 30, + /* Oct */ 10 => 31, + /* Nov */ 11 => 30, + /* Dec */ 12 => 31, + _ => unreachable!() + } + } +} + +impl<'a, 'b> std::ops::Add<&'b NaiveDate> for &'a NaiveDate { + type Output = NaiveDate; + + fn add(self, other: &'b NaiveDate) -> NaiveDate { + assert_eq!(*other, NaiveDate(0, 0, 1)); + self.succ() + } +} + +impl std::iter::Step for NaiveDate { + fn steps_between(_: &Self, _: &Self) -> Option<usize> { + unimplemented!() + } + + fn forward_checked(start: Self, n: usize) -> Option<Self> { + Some((0..n).fold(start, |x, _| x.succ())) + } + + fn backward_checked(_: Self, _: usize) -> Option<Self> { + unimplemented!() + } +} + +#[derive(Copy, Clone, Debug, Eq, Ord, PartialEq, PartialOrd)] +pub enum Weekday { + Mon, + Tue, + Wed, + Thu, + Fri, + Sat, + Sun, +} + +impl Weekday { + pub fn num_days_from_monday(&self) -> u32 { + use Weekday::*; + match *self { + Mon => 0, + Tue => 1, + Wed => 2, + Thu => 3, + Fri => 4, + Sat => 5, + Sun => 6, + } + } + + pub fn num_days_from_sunday(&self) -> u32 { + use Weekday::*; + match *self { + Sun => 0, + Mon => 1, + Tue => 2, + Wed => 3, + Thu => 4, + Fri => 5, + Sat => 6, + } + } +} + +/// `GroupBy` implementation. +struct GroupBy<It: Iterator, F> { + it: std::iter::Peekable<It>, + f: F, +} + +impl<It, F> Clone for GroupBy<It, F> +where + It: Iterator + Clone, + It::Item: Clone, + F: Clone, +{ + fn clone(&self) -> Self { + GroupBy { + it: self.it.clone(), + f: self.f.clone(), + } + } +} + +impl<'a, G, It: 'a, F: 'a> Iterator for GroupBy<It, F> +where It: Iterator + Clone, + It::Item: Clone, + F: Clone + FnMut(&It::Item) -> G, + G: Eq + Clone +{ + type Item = (G, InGroup<std::iter::Peekable<It>, F, G>); + + fn next(&mut self) -> Option<Self::Item> { + self.it.peek().map(&mut self.f).map(|key| { + let start = self.it.clone(); + while let Some(k) = self.it.peek().map(&mut self.f) { + if key != k { + break; + } + self.it.next(); + } + + (key.clone(), InGroup { + it: start, + f: self.f.clone(), + g: key + }) + }) + } +} + +#[derive(Copy, Clone)] +struct InGroup<It, F, G> { + it: It, + f: F, + g: G +} + +impl<It: Iterator, F: FnMut(&It::Item) -> G, G: Eq> Iterator for InGroup<It, F, G> { + type Item = It::Item; + + fn next(&mut self) -> Option<It::Item> { + self.it.next().and_then(|x| { + if (self.f)(&x) == self.g { Some(x) } else { None } + }) + } +} + +trait IteratorExt: Iterator + Sized { + fn group_by<G, F>(self, f: F) -> GroupBy<Self, F> + where F: Clone + FnMut(&Self::Item) -> G, + G: Eq + { + GroupBy { it: self.peekable(), f } + } + + fn join(mut self, sep: &str) -> String + where Self::Item: std::fmt::Display { + let mut s = String::new(); + if let Some(e) = self.next() { + write!(s, "{}", e).unwrap(); + for e in self { + s.push_str(sep); + write!(s, "{}", e).unwrap(); + } + } + s + } + + // HACK(eddyb): only needed because `impl Trait` can't be + // used with trait methods: `.foo()` becomes `.__(foo)`. + fn __<F, R>(self, f: F) -> R + where F: FnOnce(Self) -> R { + f(self) + } +} + +impl<It> IteratorExt for It where It: Iterator {} + +/// Generates an iterator that yields exactly `n` spaces. +fn spaces(n: usize) -> std::iter::Take<std::iter::Repeat<char>> { + std::iter::repeat(' ').take(n) +} + +fn test_spaces() { + assert_eq!(spaces(0).collect::<String>(), ""); + assert_eq!(spaces(10).collect::<String>(), " ") +} + +/// Returns an iterator of dates in a given year. +fn dates_in_year(year: i32) -> impl Iterator<Item=NaiveDate>+Clone { + InGroup { + it: NaiveDate::from_ymd(year, 1, 1).., + f: |d: &NaiveDate| d.year(), + g: year + } +} + +fn test_dates_in_year() { + { + let mut dates = dates_in_year(2013); + assert_eq!(dates.next(), Some(NaiveDate::from_ymd(2013, 1, 1))); + + // Check increment. + assert_eq!(dates.next(), Some(NaiveDate::from_ymd(2013, 1, 2))); + + // Check monthly roll-over. + for _ in 3..31 { + assert!(dates.next() != None); + } + + assert_eq!(dates.next(), Some(NaiveDate::from_ymd(2013, 1, 31))); + assert_eq!(dates.next(), Some(NaiveDate::from_ymd(2013, 2, 1))); + } + + { + // Check length of year. + let mut dates = dates_in_year(2013); + for _ in 0..365 { + assert!(dates.next() != None); + } + assert_eq!(dates.next(), None); + } + + { + // Check length of leap year. + let mut dates = dates_in_year(1984); + for _ in 0..366 { + assert!(dates.next() != None); + } + assert_eq!(dates.next(), None); + } +} + +/// Convenience trait for verifying that a given type iterates over +/// `NaiveDate`s. +trait DateIterator: Iterator<Item=NaiveDate> + Clone {} +impl<It> DateIterator for It where It: Iterator<Item=NaiveDate> + Clone {} + +fn test_group_by() { + let input = [ + [1, 1], + [1, 1], + [1, 2], + [2, 2], + [2, 3], + [2, 3], + [3, 3] + ]; + + let by_x = input.iter().cloned().group_by(|a| a[0]); + let expected_1: &[&[[i32; 2]]] = &[ + &[[1, 1], [1, 1], [1, 2]], + &[[2, 2], [2, 3], [2, 3]], + &[[3, 3]] + ]; + for ((_, a), b) in by_x.zip(expected_1.iter().cloned()) { + assert_eq!(&a.collect::<Vec<_>>()[..], b); + } + + let by_y = input.iter().cloned().group_by(|a| a[1]); + let expected_2: &[&[[i32; 2]]] = &[ + &[[1, 1], [1, 1]], + &[[1, 2], [2, 2]], + &[[2, 3], [2, 3], [3, 3]] + ]; + for ((_, a), b) in by_y.zip(expected_2.iter().cloned()) { + assert_eq!(&a.collect::<Vec<_>>()[..], b); + } +} + +/// Groups an iterator of dates by month. +fn by_month(it: impl Iterator<Item=NaiveDate> + Clone) + -> impl Iterator<Item=(u32, impl Iterator<Item=NaiveDate> + Clone)> + Clone +{ + it.group_by(|d| d.month()) +} + +fn test_by_month() { + let mut months = dates_in_year(2013).__(by_month); + for (month, (_, mut date)) in (1..13).zip(&mut months) { + assert_eq!(date.nth(0).unwrap(), NaiveDate::from_ymd(2013, month, 1)); + } + assert!(months.next().is_none()); +} + +/// Groups an iterator of dates by week. +fn by_week(it: impl DateIterator) + -> impl Iterator<Item=(u32, impl DateIterator)> + Clone +{ + // We go forward one day because `isoweekdate` considers the week to start on a Monday. + it.group_by(|d| d.succ().isoweekdate().1) +} + +fn test_isoweekdate() { + fn weeks_uniq(year: i32) -> Vec<((i32, u32), u32)> { + let mut weeks = dates_in_year(year).map(|d| d.isoweekdate()) + .map(|(y,w,_)| (y,w)); + let mut result = vec![]; + let mut accum = (weeks.next().unwrap(), 1); + for yw in weeks { + if accum.0 == yw { + accum.1 += 1; + } else { + result.push(accum); + accum = (yw, 1); + } + } + result.push(accum); + result + } + + let wu_1984 = weeks_uniq(1984); + assert_eq!(&wu_1984[..2], &[((1983, 52), 1), ((1984, 1), 7)]); + assert_eq!(&wu_1984[wu_1984.len()-2..], &[((1984, 52), 7), ((1985, 1), 1)]); + + let wu_2013 = weeks_uniq(2013); + assert_eq!(&wu_2013[..2], &[((2013, 1), 6), ((2013, 2), 7)]); + assert_eq!(&wu_2013[wu_2013.len()-2..], &[((2013, 52), 7), ((2014, 1), 2)]); + + let wu_2015 = weeks_uniq(2015); + assert_eq!(&wu_2015[..2], &[((2015, 1), 4), ((2015, 2), 7)]); + assert_eq!(&wu_2015[wu_2015.len()-2..], &[((2015, 52), 7), ((2015, 53), 4)]); +} + +fn test_by_week() { + let mut weeks = dates_in_year(2013).__(by_week); + assert_eq!( + &*weeks.next().unwrap().1.collect::<Vec<_>>(), + &[ + NaiveDate::from_ymd(2013, 1, 1), + NaiveDate::from_ymd(2013, 1, 2), + NaiveDate::from_ymd(2013, 1, 3), + NaiveDate::from_ymd(2013, 1, 4), + NaiveDate::from_ymd(2013, 1, 5), + ] + ); + assert_eq!( + &*weeks.next().unwrap().1.collect::<Vec<_>>(), + &[ + NaiveDate::from_ymd(2013, 1, 6), + NaiveDate::from_ymd(2013, 1, 7), + NaiveDate::from_ymd(2013, 1, 8), + NaiveDate::from_ymd(2013, 1, 9), + NaiveDate::from_ymd(2013, 1, 10), + NaiveDate::from_ymd(2013, 1, 11), + NaiveDate::from_ymd(2013, 1, 12), + ] + ); + assert_eq!(weeks.next().unwrap().1.nth(0).unwrap(), NaiveDate::from_ymd(2013, 1, 13)); +} + +/// The number of columns per day in the formatted output. +const COLS_PER_DAY: u32 = 3; + +/// The number of columns per week in the formatted output. +const COLS_PER_WEEK: u32 = 7 * COLS_PER_DAY; + +/// Formats an iterator of weeks into an iterator of strings. +fn format_weeks(it: impl Iterator<Item = impl DateIterator>) -> impl Iterator<Item=String> { + it.map(|week| { + let mut buf = String::with_capacity((COLS_PER_DAY * COLS_PER_WEEK + 2) as usize); + + // Format each day into its own cell and append to target string. + let mut last_day = 0; + let mut first = true; + for d in week { + last_day = d.weekday().num_days_from_sunday(); + + // Insert enough filler to align the first day with its respective day-of-week. + if first { + buf.extend(spaces((COLS_PER_DAY * last_day) as usize)); + first = false; + } + + write!(buf, " {:>2}", d.day()).unwrap(); + } + + // Insert more filler at the end to fill up the remainder of the week, + // if its a short week (e.g., at the end of the month). + buf.extend(spaces((COLS_PER_DAY * (6 - last_day)) as usize)); + buf + }) +} + +fn test_format_weeks() { + let jan_2013 = dates_in_year(2013) + .__(by_month).next() // pick January 2013 for testing purposes + // NOTE: This `map` is because `next` returns an `Option<_>`. + .map(|(_, month)| + month.__(by_week) + .map(|(_, weeks)| weeks) + .__(format_weeks) + .join("\n")); + + assert_eq!( + jan_2013.as_ref().map(|s| &**s), + Some(" 1 2 3 4 5\n\ + \x20 6 7 8 9 10 11 12\n\ + \x2013 14 15 16 17 18 19\n\ + \x2020 21 22 23 24 25 26\n\ + \x2027 28 29 30 31 ") + ); +} + +/// Formats the name of a month, centered on `COLS_PER_WEEK`. +fn month_title(month: u32) -> String { + const MONTH_NAMES: &'static [&'static str] = &[ + "January", "February", "March", "April", "May", "June", + "July", "August", "September", "October", "November", "December" + ]; + assert_eq!(MONTH_NAMES.len(), 12); + + // Determine how many spaces before and after the month name + // we need to center it over the formatted weeks in the month. + let name = MONTH_NAMES[(month - 1) as usize]; + assert!(name.len() < COLS_PER_WEEK as usize); + let before = (COLS_PER_WEEK as usize - name.len()) / 2; + let after = COLS_PER_WEEK as usize - name.len() - before; + + // Note: being slightly more verbose to avoid extra allocations. + let mut result = String::with_capacity(COLS_PER_WEEK as usize); + result.extend(spaces(before)); + result.push_str(name); + result.extend(spaces(after)); + result +} + +fn test_month_title() { + assert_eq!(month_title(1).len(), COLS_PER_WEEK as usize); +} + +/// Formats a month. +fn format_month(it: impl DateIterator) -> impl Iterator<Item=String> { + let mut month_days = it.peekable(); + let title = month_title(month_days.peek().unwrap().month()); + + Some(title).into_iter() + .chain(month_days.__(by_week) + .map(|(_, week)| week) + .__(format_weeks)) +} + +fn test_format_month() { + let month_fmt = dates_in_year(2013) + .__(by_month).next() // Pick January as a test case + .map(|(_, days)| days.into_iter() + .__(format_month) + .join("\n")); + + assert_eq!( + month_fmt.as_ref().map(|s| &**s), + Some(" January \n\ + \x20 1 2 3 4 5\n\ + \x20 6 7 8 9 10 11 12\n\ + \x2013 14 15 16 17 18 19\n\ + \x2020 21 22 23 24 25 26\n\ + \x2027 28 29 30 31 ") + ); +} + +/// Formats an iterator of months. +fn format_months(it: impl Iterator<Item = impl DateIterator>) + -> impl Iterator<Item=impl Iterator<Item=String>> +{ + it.map(format_month) +} + +/// Takes an iterator of iterators of strings; the sub-iterators are consumed +/// in lock-step, with their elements joined together. +trait PasteBlocks: Iterator + Sized +where Self::Item: Iterator<Item = String> { + fn paste_blocks(self, sep_width: usize) -> PasteBlocksIter<Self::Item> { + PasteBlocksIter { + iters: self.collect(), + cache: vec![], + col_widths: None, + sep_width: sep_width, + } + } +} + +impl<It> PasteBlocks for It where It: Iterator, It::Item: Iterator<Item=String> {} + +struct PasteBlocksIter<StrIt> +where StrIt: Iterator<Item=String> { + iters: Vec<StrIt>, + cache: Vec<Option<String>>, + col_widths: Option<Vec<usize>>, + sep_width: usize, +} + +impl<StrIt> Iterator for PasteBlocksIter<StrIt> +where StrIt: Iterator<Item=String> { + type Item = String; + + fn next(&mut self) -> Option<String> { + self.cache.clear(); + + // `cache` is now the next line from each iterator. + self.cache.extend(self.iters.iter_mut().map(|it| it.next())); + + // If every line in `cache` is `None`, we have nothing further to do. + if self.cache.iter().all(|e| e.is_none()) { return None } + + // Get the column widths if we haven't already. + let col_widths = match self.col_widths { + Some(ref v) => &**v, + None => { + self.col_widths = Some(self.cache.iter() + .map(|ms| ms.as_ref().map(|s| s.len()).unwrap_or(0)) + .collect()); + &**self.col_widths.as_ref().unwrap() + } + }; + + // Fill in any `None`s with spaces. + let mut parts = col_widths.iter().cloned().zip(self.cache.iter_mut()) + .map(|(w,ms)| ms.take().unwrap_or_else(|| spaces(w).collect())); + + // Join them all together. + let first = parts.next().unwrap_or(String::new()); + let sep_width = self.sep_width; + Some(parts.fold(first, |mut accum, next| { + accum.extend(spaces(sep_width)); + accum.push_str(&next); + accum + })) + } +} + +fn test_paste_blocks() { + let row = dates_in_year(2013) + .__(by_month).map(|(_, days)| days) + .take(3) + .__(format_months) + .paste_blocks(1) + .join("\n"); + assert_eq!( + &*row, + " January February March \n\ + \x20 1 2 3 4 5 1 2 1 2\n\ + \x20 6 7 8 9 10 11 12 3 4 5 6 7 8 9 3 4 5 6 7 8 9\n\ + \x2013 14 15 16 17 18 19 10 11 12 13 14 15 16 10 11 12 13 14 15 16\n\ + \x2020 21 22 23 24 25 26 17 18 19 20 21 22 23 17 18 19 20 21 22 23\n\ + \x2027 28 29 30 31 24 25 26 27 28 24 25 26 27 28 29 30\n\ + \x20 31 " + ); +} + +/// Produces an iterator that yields `n` elements at a time. +trait Chunks: Iterator + Sized { + fn chunks(self, n: usize) -> ChunksIter<Self> { + assert!(n > 0); + ChunksIter { + it: self, + n: n, + } + } +} + +impl<It> Chunks for It where It: Iterator {} + +struct ChunksIter<It> +where It: Iterator { + it: It, + n: usize, +} + +// Note: `chunks` in Rust is more-or-less impossible without overhead of some kind. +// Aliasing rules mean you need to add dynamic borrow checking, and the design of +// `Iterator` means that you need to have the iterator's state kept in an allocation +// that is jointly owned by the iterator itself and the sub-iterator. +// As such, I've chosen to cop-out and just heap-allocate each chunk. + +impl<It> Iterator for ChunksIter<It> +where It: Iterator { + type Item = Vec<It::Item>; + + fn next(&mut self) -> Option<Vec<It::Item>> { + let first = self.it.next()?; + + let mut result = Vec::with_capacity(self.n); + result.push(first); + + Some((&mut self.it).take(self.n-1) + .fold(result, |mut acc, next| { acc.push(next); acc })) + } +} + +fn test_chunks() { + let r = &[1, 2, 3, 4, 5, 6, 7]; + let c = r.iter().cloned().chunks(3).collect::<Vec<_>>(); + assert_eq!(&*c, &[vec![1, 2, 3], vec![4, 5, 6], vec![7]]); +} + +/// Formats a year. +fn format_year(year: i32, months_per_row: usize) -> String { + const COL_SPACING: usize = 1; + + // Start by generating all dates for the given year. + dates_in_year(year) + + // Group them by month and throw away month number. + .__(by_month).map(|(_, days)| days) + + // Group the months into horizontal rows. + .chunks(months_per_row) + + // Format each row... + .map(|r| r.into_iter() + // ... by formatting each month ... + .__(format_months) + + // ... and horizontally pasting each respective month's lines together. + .paste_blocks(COL_SPACING) + .join("\n") + ) + + // Insert a blank line between each row. + .join("\n\n") +} + +fn test_format_year() { + const MONTHS_PER_ROW: usize = 3; + + macro_rules! assert_eq_cal { + ($lhs:expr, $rhs:expr) => { + if $lhs != $rhs { + println!("got:\n```\n{}\n```\n", $lhs.replace(" ", ".")); + println!("expected:\n```\n{}\n```", $rhs.replace(" ", ".")); + panic!("calendars didn't match!"); + } + } + } + + assert_eq_cal!(&format_year(1984, MONTHS_PER_ROW), "\ +\x20 January February March \n\ +\x20 1 2 3 4 5 6 7 1 2 3 4 1 2 3\n\ +\x20 8 9 10 11 12 13 14 5 6 7 8 9 10 11 4 5 6 7 8 9 10\n\ +\x2015 16 17 18 19 20 21 12 13 14 15 16 17 18 11 12 13 14 15 16 17\n\ +\x2022 23 24 25 26 27 28 19 20 21 22 23 24 25 18 19 20 21 22 23 24\n\ +\x2029 30 31 26 27 28 29 25 26 27 28 29 30 31\n\ +\n\ +\x20 April May June \n\ +\x20 1 2 3 4 5 6 7 1 2 3 4 5 1 2\n\ +\x20 8 9 10 11 12 13 14 6 7 8 9 10 11 12 3 4 5 6 7 8 9\n\ +\x2015 16 17 18 19 20 21 13 14 15 16 17 18 19 10 11 12 13 14 15 16\n\ +\x2022 23 24 25 26 27 28 20 21 22 23 24 25 26 17 18 19 20 21 22 23\n\ +\x2029 30 27 28 29 30 31 24 25 26 27 28 29 30\n\ +\n\ +\x20 July August September \n\ +\x20 1 2 3 4 5 6 7 1 2 3 4 1\n\ +\x20 8 9 10 11 12 13 14 5 6 7 8 9 10 11 2 3 4 5 6 7 8\n\ +\x2015 16 17 18 19 20 21 12 13 14 15 16 17 18 9 10 11 12 13 14 15\n\ +\x2022 23 24 25 26 27 28 19 20 21 22 23 24 25 16 17 18 19 20 21 22\n\ +\x2029 30 31 26 27 28 29 30 31 23 24 25 26 27 28 29\n\ +\x20 30 \n\ +\n\ +\x20 October November December \n\ +\x20 1 2 3 4 5 6 1 2 3 1\n\ +\x20 7 8 9 10 11 12 13 4 5 6 7 8 9 10 2 3 4 5 6 7 8\n\ +\x2014 15 16 17 18 19 20 11 12 13 14 15 16 17 9 10 11 12 13 14 15\n\ +\x2021 22 23 24 25 26 27 18 19 20 21 22 23 24 16 17 18 19 20 21 22\n\ +\x2028 29 30 31 25 26 27 28 29 30 23 24 25 26 27 28 29\n\ +\x20 30 31 "); + + assert_eq_cal!(&format_year(2015, MONTHS_PER_ROW), "\ +\x20 January February March \n\ +\x20 1 2 3 1 2 3 4 5 6 7 1 2 3 4 5 6 7\n\ +\x20 4 5 6 7 8 9 10 8 9 10 11 12 13 14 8 9 10 11 12 13 14\n\ +\x2011 12 13 14 15 16 17 15 16 17 18 19 20 21 15 16 17 18 19 20 21\n\ +\x2018 19 20 21 22 23 24 22 23 24 25 26 27 28 22 23 24 25 26 27 28\n\ +\x2025 26 27 28 29 30 31 29 30 31 \n\ +\n\ +\x20 April May June \n\ +\x20 1 2 3 4 1 2 1 2 3 4 5 6\n\ +\x20 5 6 7 8 9 10 11 3 4 5 6 7 8 9 7 8 9 10 11 12 13\n\ +\x2012 13 14 15 16 17 18 10 11 12 13 14 15 16 14 15 16 17 18 19 20\n\ +\x2019 20 21 22 23 24 25 17 18 19 20 21 22 23 21 22 23 24 25 26 27\n\ +\x2026 27 28 29 30 24 25 26 27 28 29 30 28 29 30 \n\ +\x20 31 \n\ +\n\ +\x20 July August September \n\ +\x20 1 2 3 4 1 1 2 3 4 5\n\ +\x20 5 6 7 8 9 10 11 2 3 4 5 6 7 8 6 7 8 9 10 11 12\n\ +\x2012 13 14 15 16 17 18 9 10 11 12 13 14 15 13 14 15 16 17 18 19\n\ +\x2019 20 21 22 23 24 25 16 17 18 19 20 21 22 20 21 22 23 24 25 26\n\ +\x2026 27 28 29 30 31 23 24 25 26 27 28 29 27 28 29 30 \n\ +\x20 30 31 \n\ +\n\ +\x20 October November December \n\ +\x20 1 2 3 1 2 3 4 5 6 7 1 2 3 4 5\n\ +\x20 4 5 6 7 8 9 10 8 9 10 11 12 13 14 6 7 8 9 10 11 12\n\ +\x2011 12 13 14 15 16 17 15 16 17 18 19 20 21 13 14 15 16 17 18 19\n\ +\x2018 19 20 21 22 23 24 22 23 24 25 26 27 28 20 21 22 23 24 25 26\n\ +\x2025 26 27 28 29 30 31 29 30 27 28 29 30 31 "); +} + +fn main() { + // Run tests. + test_spaces(); + test_dates_in_year(); + test_group_by(); + test_by_month(); + test_isoweekdate(); + test_by_week(); + test_format_weeks(); + test_month_title(); + test_format_month(); + test_paste_blocks(); + test_chunks(); + test_format_year(); +} |